| Trowbridge to Nyon | 512.86 mi (825.37 km) |
| Trowbridge to Oberriet | 597.16 mi (961.03 km) |
| Trowbridge to Obersiggenthal | 540.58 mi (869.99 km) |
| Trowbridge to Oberwil | 510.98 mi (822.35 km) |
| Trowbridge to Oberwingert | 558.20 mi (898.34 km) |
| Trowbridge to Oftringen | 532.64 mi (857.21 km) |
| Trowbridge to Olten | 530.69 mi (854.06 km) |
| Trowbridge to Onex | 518.26 mi (834.05 km) |
| Trowbridge to Opfikon | 553.35 mi (890.54 km) |
| Trowbridge to Ostermundigen | 531.40 mi (855.21 km) |
| Trowbridge to Payerne | 517.10 mi (832.20 km) |
| Trowbridge to Pfaffikon | 564.35 mi (908.24 km) |
| Trowbridge to Plan-les-Ouates | 519.64 mi (836.28 km) |
| Trowbridge to Pratteln | 516.45 mi (831.15 km) |
| Trowbridge to Prilly | 518.29 mi (834.10 km) |
